isPromise

A function that checks whether a given argument is a Promise. If isPromise returns true, the type of the argument is narrowed to Promise.

Code

🔗 View source code

Interface

typescript

function isPromise<T = any>(value: unknown): value is Promise<T>;

Usage

typescript

import { isPromise } from '@modern-kit/utils';

isPromise(Promise.resolve()); // true
isPromise((async () => {})()); // true

isPromise(() => {}); // false
isPromise('123'); // false
isPromise(true); // false
isPromise({}); // false
isPromise(null); // false